Home / 39,115.82-58,679.86-14,153.24

Finding the Fourth Proportional to 39,115.82, 58,679.86 and 14,153.24

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Solution

The fourth proportional to 39,115.82, 58,679.86 and 14,153.24 is: 21,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.82 : 58,679.86 = 14,153.24 : x
  2. Step 2: Convert to fraction form
    39,115.82/58,679.86 = 14,153.24/x
  3. Step 3: Cross multiply
    39,115.82x = 58,679.86 × 14,153.24
  4. Step 4: Simplify right side
    39,115.82x = 830,510,141.75
  5. Step 5: Solve for x
    x = 830,510,141.75/39,115.82
  6. Step 6: Final answer
    x = 21,232.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.